ICL7660S
Typical Performance Curves (Test Circuit Figure 12) (Continued)
10
9
8
7
6
5
4
3
2
1
0
20
V+ = 5V
o
T
= 25 C
A
18
16
14
12
10
8
V+ = 10V
V+ = 5V
0
-55
-25
25
50
75
100
125
1
10
100
1k
o
C
(pF)
TEMPERATURE ( C)
OSC
FIGURE 5. FREQUENCY OF OSCILLATION AS A FUNCTION
OF EXTERNAL OSCILLATOR CAPACITANCE
FIGURE 6. UNLOADED OSCILLATOR FREQUENCY AS A
FUNCTION OF TEMPERATURE
1
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
V+ = 5V
o
T
= 25 C
0
-1
-2
A
-3
-4
-5
V+ = 5V
o
T
= 25 C
A
0
10
20
30
40
50
60
0
10
20
30
40
LOAD CURRENT (mA)
LOAD CURRENT (mA)
FIGURE 7. OUTPUT VOLTAGE AS A FUNCTION
OF OUTPUT CURRENT
FIGURE 8. SUPPLY CURRENT AND POWER CONVERSION
EFFICIENCY AS A FUNCTION OF LOAD
CURRENT
100
90
2
V+ = 2V
o
T
= 25 C
A
80
70
60
50
40
30
20
10
0
16
14
12
10
8
1
0
6
-1
-2
V+ = 2V
4
o
T
= 25 C
A
2
0
0
1
2
3
4
5
6
7
8
9
0
1.5
3
4.5
6
7.5
9
LOAD CURRENT (mA)
LOAD CURRENT (mA)
FIGURE 9. OUTPUT VOLTAGE AS A FUNCTION OF OUTPUT
CURRENT
FIGURE 10. SUPPLY CURRENT AND POWER CONVERSION
EFFICIENCY AS A FUNCTION OF LOAD CURRENT
3-39
INTERSIL [ Intersil ]
